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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Hexagon socket screw keys
Standard published on 26.11.2021
Selected format:Keys for hexalobular socket screws
Standard published on 6.8.2023
Selected format:Screwdriver for hexalobular socket screws
Standard published on 26.11.2021
Selected format:Term for motorcycles and mopeds – Part 1: Types of vehicle
Standard published on 25.3.2019
Selected format:Term for motorcycles and mopeds - Part 2: Performance of vehicles
Standard published on 28.11.2008
Selected format:Term for motorcycles and mopeds - Part 3: Dimensions of vehicle with two and three wheels
Standard published on 28.11.2008
Selected format:Term for motorcycles and mopeds - Part 4: Mass of vehicle with two and three wheels
Standard published on 28.11.2008
Selected format:Liquefied anhydrous ammonia
Standard published on 29.12.2017
Selected format:Method of bench test of engine for motorcycles and mopeds
Standard published on 30.6.2025
Selected format:Gerneral-specification for drinking water tank coating of shipbuilding
Standard published on 30.12.2008
Selected format:Latest update: 2026-06-28 (Number of items: 2 284 473)
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